| Napa to Shoreview (Minnesota) | 1,566.34 mi (2,520.79 km) |
| Napa to Shorewood (Illinois) | 1,808.41 mi (2,910.35 km) |
| Napa to Shorewood (Wisconsin) | 1,819.81 mi (2,928.70 km) |
| Napa to Short Hills (New Jersey) | 2,530.58 mi (4,072.58 km) |
| Napa to Short Pump (Virginia) | 2,409.69 mi (3,878.02 km) |
| Napa to Show Low (Arizona) | 736.81 mi (1,185.78 km) |
| Napa to Shreveport (Louisiana) | 1,648.42 mi (2,652.87 km) |
| Napa to Sicklerville (New Jersey) | 2,511.53 mi (4,041.91 km) |
| Napa to Sidney (Ohio) | 2,028.02 mi (3,263.79 km) |
| Napa to Sierra Madre (California) | 370.71 mi (596.60 km) |
| Napa to Sierra Vista (Arizona) | 821.96 mi (1,322.81 km) |
| Napa to Sierra Vista Southeast (Arizona) | 831.26 mi (1,337.79 km) |
| Napa to Signal Hill (California) | 386.86 mi (622.59 km) |
| Napa to Sikeston (Missouri) | 1,784.31 mi (2,871.57 km) |
| Napa to Siloam Springs (Arkansas) | 1,528.66 mi (2,460.14 km) |
